Table 2. Participant Characteristics.
| Characteristic | Study groupa | ||
|---|---|---|---|
| Control (n = 271) | Intervention (n = 176) | All (n = 447) | |
| Site | |||
| 1 | 159 (58.7) | 118 (67,0) | 277 (62.0) |
| 2 | 112 (41.3) | 58 (33.0) | 170 (38.0) |
| Sex | |||
| Women | 181 (66.8) | 110 (62.5) | 291 (65.1) |
| Men | 90 (33.2) | 66 (37.5) | 156 (34.9) |
| Age, mean (SD), yb | 55.6 (15.5) | 55.6 (14.5) | 55.6 (15.1) |
| Race and ethnicityb | |||
| Asian | 6 (2.2) | 4 (2.3) | 10 (2.3) |
| Black | 132 (49.1) | 79 (45.1) | 211 (47.5) |
| Hispanic | 41 (15.2) | 30 (17.1) | 71 (16.0) |
| White | 72 (26.8) | 52 (29.7) | 124 (27.9) |
| Otherc | 18 (6.7) | 10 (5.7) | 28 (6.3) |
| No. of red flags per visit, mean (SD) | 3.9 (2.4) | 4.0 (2.3) | 3.9 (2.4) |
| Only reported contextual red flag on patient questionnaire | 78 (28.4) | 57 (32.2) | 135 (29.9) |
| Only had a contextual red flag that could be extracted from the EHR | 33 (12.0) | 18 (10.2) | 51 (11.3) |
| Contextual red flag both reported on questionnaire and extracted from EHR | 140 (50.9) | 87 (49.1) | 227 (50.2) |
| Revealed audio recorder | |||
| Yes | 49 (18.1) | 28 (15.9) | 77 (10.2) |
| No | 222 (81.9) | 148 (84.1) | 370 (82.8) |
Abbreviation: EHR, electronic health record.
a
Unless indicated otherwise, data are expressed as No. (%) of patients. Percentages have been rounded and may not total 100.
b
Data were not available for 2 control patients and 1 intervention patient.
c
Includes does not fit available categories, prefers not to answer, or unknown.